40368160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 117210240

約数和(自身を除く): 76842080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 271, 280, 304, 380, 392, 490, 532, 542, 560, 608, 665, 760, 784, 931, 980, 1064, 1084, 1120, 1330, 1355, 1520, 1568, 1862, 1897, 1960, 2128, 2168, 2660, 2710, 3040, 3724, 3794, 3920, 4256, 4336, 4655, 5149, 5320, 5420, 7448, 7588, 7840, 8672, 9310, 9485, 10298, 10640, 10840, 13279, 14896, 15176, 18620, 18970, 20596, 21280, 21680, 25745, 26558, 29792, 30352, 36043, 37240, 37940, 41192, 43360, 51490, 53116, 60704, 66395, 72086, 74480, 75880, 82384, 102980, 106232, 132790, 144172, 148960, 151760, 164768, 180215, 205960, 212464, 252301, 265580, 288344, 303520, 360430, 411920, 424928, 504602, 531160, 576688, 720860, 823840, 1009204, 1062320, 1153376, 1261505, 1441720, 2018408, 2124640, 2523010, 2883440, 4036816, 5046020, 5766880, 8073632, 10092040, 20184080, 40368160]

約数ペア:

[(1, 40368160), (2, 20184080), (4, 10092040), (5, 8073632), (7, 5766880), (8, 5046020), (10, 4036816), (14, 2883440), (16, 2523010), (19, 2124640), (20, 2018408), (28, 1441720), (32, 1261505), (35, 1153376), (38, 1062320), (40, 1009204), (49, 823840), (56, 720860), (70, 576688), (76, 531160), (80, 504602), (95, 424928), (98, 411920), (112, 360430), (133, 303520), (140, 288344), (152, 265580), (160, 252301), (190, 212464), (196, 205960), (224, 180215), (245, 164768), (266, 151760), (271, 148960), (280, 144172), (304, 132790), (380, 106232), (392, 102980), (490, 82384), (532, 75880), (542, 74480), (560, 72086), (608, 66395), (665, 60704), (760, 53116), (784, 51490), (931, 43360), (980, 41192), (1064, 37940), (1084, 37240), (1120, 36043), (1330, 30352), (1355, 29792), (1520, 26558), (1568, 25745), (1862, 21680), (1897, 21280), (1960, 20596), (2128, 18970), (2168, 18620), (2660, 15176), (2710, 14896), (3040, 13279), (3724, 10840), (3794, 10640), (3920, 10298), (4256, 9485), (4336, 9310), (4655, 8672), (5149, 7840), (5320, 7588), (5420, 7448)]